參數(shù)資料
型號： EPI470252F4747
廠商： PCA Electronics Inc.
英文描述： Contents Surface Mount Power Inductor
中文描述： 內容表面安裝電源電感
文件頁數(shù)： 43/50頁
文件大小： 1795K
代理商： EPI470252F4747
E L E C T R O N I C S I N C .
Thru-Hole Power Inductor
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
Optimized for National’s LM257X Series
Low loss material ensures operation in high frequency switching
converters, such as Buck, Boost or as output averaging filter inductor
Also suitable for use in high quality filter applications
52 KHz Switching Frequency
Low Cost Inductor
EPI AC5 Series
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSIXXXXXXAC5 Rev. 2 2/22/05 FT
Primary Specification
DCR
(
Typ.)
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
260
437
542
757
1093
Induct.
(μH ± 20%)
@ 0 Adc
.090
.117
.210
.247
.297
Vt1
(V-μSec)
52 KHz
230.8
230.8
230.8
230.8
230.8
Induct.
(μH 10%)
@ Idc
220
330
470
680
1000
Part
Number
EPI221302AC5
EPI331302AC5
EPI471202AC5
EPI681132AC5
EPI102951AC5
Idc
(mA)
3000
3000
2000
1300
950
National
Semiconductor
Chip
LM257X-H220
LM257X-H330
LM257X-H470
LM257X-H680
LM257X-H1000
°C (Typ.)
23
26
20
12
9
Te@ Vt1
Core Loss
@ Vt1
(mW)
510
280
210
150
110
Package AC5
1.400
Max.
(35.56)
.110/.150
(2.79/3.81)
1.300
(33.02)
.500
(12.70)
.700
(19.78)
.500
(12.70)
Pad Layout
.060
(1.52)
.625
(15.75)
Applications
+Vin
+5V
Regulated
Output
Load
LX
μH
D1
1N5822
Cin
Cout
Feedback
Output
Vsw
On/Off
Gnd
LM257X
+
+
7V-40V
(60V for HV)
Unregulated
DC Input
Package AC5V
.375 ± .125
(9.53 ± 3.18)
1.300
Max.
(33.02)
Pad Layout
.500
(12.70)
.060
(1.52)
.700 Max.
(19.78)
.500
(12.70)
Package AC5H
.375 ± .125
(9.53 ± 3.18)
1.300
Max.
(33.02)
Pad Layout
1.100
(27.94)
.060
(1.52)
1.300
Max.
(33.02)
1.100
(27.94)
For no header version : add “V” for Vertical Mount and add “H” for Horizonal Mount
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